Imaging system functioning on submillimeter waves

Details Imaging system functioning on submillimeter waves Imaging system functioning on submillimeter waves

H - Electricity

04

N

H04N 5/33 (2006.01) G01J 3/28 (2006.01) G01J 5/20 (2006.01) G01S 3/784 (2006.01) G01S 17/89 (2006.01) G01V 8/00 (2006.01) H04N 7/18 (2006.01)

Patent

CA 2247582

The invention relates to detection performed over millimeter and submillimeter wavelengths, especially to imaging solutions functioning over a submillimeter-wavelength range. The system of the invention uses detectors, comprising antenna coupled bolometers together with wavelength selective optics. The detector matrix is preferably curved for reducing the number of imaging errors. In order to provide a curved detector matrix, the detector matrix is constituted by flat submatrices, each being provided with one or more integrated antenna coupled bolometers. The detectable frequency range is preferably limited in two stages, first by means of wavelength selective optics and secondly by means of the operating band of the antenna of an antenna coupled bolometer. In order to focus the incoming radiation on bolometers, the bolometer substrate is fitted or the surface or interior of the bolometer substrate is provided with a bolometer lens or a corresponding optical element in alignment with each bolometer.

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